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= 003 Partitioning
:page-parent: Architecture Decision Records
:page-grand_parent: About Spectrum
// SPDX-FileCopyrightText: 2022 Unikie
// SPDX-License-Identifier: GFDL-1.3-no-invariants-or-later OR CC-BY-SA-4.0
== Status
Proposed
== Context
Partitions are required to install the Spectrum operating system, VMs
and store user data.
== Decision
----
<blockdevice> # EFI system partition
<blockdevice> # XBOOTLDR
<blockdevice> # A
<blockdevice> # B
# first 32 GB are reserved for Spectrum system
# rest of the disk is reserved for user data
<blockdevice>n-1 # bootstrap user data
<blockdevice>n to the end of disk # user data
----
== Consequences
- LVM may support resizing - both increasing and decreasing with some limitation
when there's already data on volume(s).
- Does LVM work with all disk types?
- We have to implement XBOOTLDR to support EFI system partition
created by Windows -- to support dual boot.
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